Emei Mustache Toad aka Taosze Spiny Toad, (Leptobrachium boringii), family Megophryidae, endemic to SE China
ENDANGERED.
The larger males grow keratinized spines on the upper lip, which they use to defend territories, during the breeding season. The spines fall off after the breeding season.
photographs: Hudson and Fu; Jingsong Shi; ChinaFotoPress